Watch.



. W. B. MEHL.

WATGH.

Arrnmu'lon FILED wa.1,1a0a.

INVENTOR Patented May 18, 1909.

ficetion.

screw inordor to retain the 115SGjlll')lP(l parts onrrni) STATES I A'.l..llNT OFFICE- WALTER B. MEIlL; Ol" WALTHAM, MA551M)llSlrlT'lS. Al-lHIGNUlt T0 [2. HOWARD WATCH COM- PANY, OT" RIVERSIDE, NEW JERSEY,

A (JUHPURA'VTON 0!" NEW JERSEY.

WATCH.

Application tiled August I,

To all whom it may concern:

Be it known that I, WALTER .B. MEHL, n i citizen of the United States, and a resident of Walt-ham, in the county of Middlesex and State of lllassachusetts. have made and in-- vented certain new and useful lmprovoments in Watches, of which the. following is a speci- My invention relates to an iumrm'eimmt in watches, and more pin-tiorderly to the means employed for securing the movement in the case center or within a imwementring ren'iovably attached or pivoted to the center. It has heretofore been common to use ism-rows either round or half iii-ruled. topped iii on! end into the dial plain and pussiru; ihrmwh the train bridges or top plain, the hand of the screw binding on the vase center or nioio ment ring at the train sidii-lleronl'. is well known to those skilled in the art, this method of securing the lllOVQlllOIliin place is objectionable for several masons parties ularly because an pressure exerted by the in their proper relative positions, ('eosos an undue strain or pressure to bear on the watch train, seriously affecting the accurate or time keeping qualities thereof. As :1. matter of fact, I have found from experience that movements which perform very accurately boforebeingfi ted in the case, wilLofl-on vary from ten to thirty seconds from eroumte time in twontyiour hours, till-91' being fittml in the case and the binding screws applied. Another objection to the use of binding screws employed as has heretofore been the custom, is the tent that the strain exerted by .them tends to press inwardly that portion of the case center against which the heads of the screws impinge, thereby eausingon opening or crevice between the parts, which permite of the entrance of dirt, dust, or other foreign matter to themoverneni Another and very serious objection urged against the customary manner of securing the movement in the (BBQ-1'8 that in upplyirur the screws to hold the movoment within the center, a slight twist is iver! tothe 11love merit in the case center, t iercby rifle-(ting tho elinemont ottho winding stem or arbor.

The object of my invention is to overcome Sp eciflcation of Lottecns Pix-ten t.

these diilirulties'; and with this and other Patented May 18, 1909. 1908. Herlal No. 446,877.

I ends in view, the invention consists in certain novel features of construction and. combinations of parts, as will be hereinafter fully described and pointed out in the claims.

In the accompanying drawings, Figure 1 is a plan view of 11 watch, ports of the bezel and dial lining broken away for the sake of (-lfiitlllifs'S. Fig. 2 is a sectional view taken on thrlino :?----3 of Fig. 1. Fig. 3 is a seetiointi. 'lP-W taken on the line 3-3 of Fig. 1. Fig. 4 is a. dotarlwd view of one of the retaining lugs. Fig. 5 is a. plan view of a. Watch $110 zigg my invention as applied to ,a watch vase inning a. swinging movement ring. Pig. "3 e. sectional view taken. on the line I; -6 ol' l iy'. 5. Fig. 7 is a view of a part of the .movoun-ni. ring showing it retaining lug formed thereon, and Fig. 8 is a. view of r m of the iuowi'nmit' having one of the retaining lugs scoured llmreto, and adapted to be socured to the.mo'verm'ni ring illustrated in Fig. 7.

Referring to the dz-m-vings, A represents a case center of ordinary construction, and has formed therein or secured thereto at such plums where it is desired to apply the lookin means, the lugs a, the snap or riser b formeg on said center for the reception of the bezel B, boiino slightly cut away above said lugs a as clean y illustrated in Fig. 1 of the dmwin s.

To the dial plate C and on the dial side thoreoh is secured the retaining lu'g D, referzihly two in number, its illustrated in 1 and 5. These retaining lugs are shaped es shown. that is, comprise two disk-like plates (1 o the longer plate D hevin an opening d therein for the passage of. a

head of the letter. The smaller plate d is also provided with a hole or opening (1 for the passage of e bindin r SOIGW through the some, as hereinafter cliwscribed. The dial late (.3 is recessed on the dial side thereofto' allow the larger late d of the retaining in D to setflush herein, a. binding screw being tsipedj into the dial plate (3, adjustnhl y' holding said retaining lug D therein.

'llu'ongh the o oiling d in the plate (1' of the rr-ztuining lu l), passes a retaining screw d", the lower on of sold screw being tapped into the lu a. formed on or secured to oaso centerii, the screw dbeing hidden by )inding screw, and centrally recessed for the reception of the dial E when the parts are )ropcrl assembled, and the screw 1.!" hidden iy the liezel B.

When assembling the parts, the retaining lugs l) are secured to the dial late C, and so adjusted that the smaller p ate d thereof will register with the recesses or openings formed for their reception in the riser or snap b of the-ease center. The movemept is then placed in the case center and the retaining screws (1" turned down into the lugs a, securely holding the movement in place in the case center.

It will be understood from the above that in securin the movement in place, the watch is held in its most convenient position, that is, is held dial side up, whereby all danger of the movement dropping out of the case while being secured therein is avoided. Furthermore, by my improved means, all the strain exerted by the bindin screws (1, d", falls on the case center A and dial plate C, and in no way or upon any part of the watch train, as is the case when binding screws are employed in the customary manner. Furthermore, it will be seen that the setaining lugs D are adjustable, thereby permitting a leeway for the correction of any inaccuracies in the location of the recesses formed in the case center to receive them. Again, by reason of the accurate adjustment of the retaining lugs, no twisting of the movement occurs while applying it to the case center, the pro or alinement of the windin arbor being tiereby always preserved. thould, however, it de\ elop that after the movement has been securtd in the case center, the alinement of the arl or is not perfect, no twist of the movement in the case is necessary, as by loosening the SCI cw or screws in the retaining lug, the latter may he sulliciently shifted or moved to permit of the correction of the alinement. It will of course be understood that the binding screw d may be countersunk in the retainin lug D, and ta ped into the dial plate, as s iown, or the dial plate may be recessed or countersunk from the o posite side, and the screw 0! tapped into t re lug. Again, as illustrated in Figs. 5, 6, 7 and 8, my improved attaching means is also adapted for use in connection with watch cases con'iprising in part, a movement ilustrated at 1!, (Fig. 5),, to the case center .G. in this instance, the screw lugs f will be formed on or secured to the ring ll. instead of being formed on or secured to the case center, as described in the former instance. The larger latef of the retaining lug, is recessed into t to dial plate I, as in the former instance, and adjustabl hcldin place by the binding scrcwf ,a binr ring hinged, as

ingscrew I being passed down through the and smaller plate j of the retaining lug tapped into the screw lug f formed on the ring ll. In either instance the rctainin" lug and screws are hidden by the. dial and bezel when the parts are assembled, it being necessary only to raise or remove said bezel and to ren'iovc the binding screws from the smaller plate of the retaining lug to ierinit ol the withdrawal of the movement 'rom the case center or movement ring.

The invention is exceedingly simple, the cost of irlihuil'acture being but little, if any morc than that ol" the ordinary retaining means. Furthermore, the parts having been once 'adjnsted, the movement may be removed from and inserted in the case center with far more ,despatch and accuracy than has been the case heretofore, the perfect alinement oi the winding stem or arbor being always preserved. Again, all the strain of the binding screws havingbeen withdrawn from the watch train, the time keeping qualities of the watch are greatly enhanced.

I [aving f'ully described my invention, what I claim as new and desire to secure by Letters Patent, is

1. In a watch, a dial plate, a case center upon which said dial plate rests, and means secured to the dial.side of the dial plate, wherob t0 adjustab y attach said dial plate to sairyeise center, substantially as described.

I 2. In a watch, the combination with a movement havin a dial plate, ol' a case eentor provided witll a flan e upon which said dial plate rests, means in justably secured to the dial side of the dial plate and tosaid case center for retaining said movement in position on the flange oi the latter, substantially as described.

3. In a watch, the combination with a dial plate, of a retaining lug adjustably secured to the dial side of said plate, and a case center provided with a supporting flange on whic i said dial plate rests, and means contained within said ease center to which said retaining lug is movably secured for holding said movement in position on theflange of said case center, substantially as described.

4. In a watch, the combination with a dial plate lormedwith a recess in the dial side thereof, of a retaining lug partially and movably fitting in said recess a case center provided with a supporting liange on which said dial plate rests, and means contained within said center to which said lug is removably secured for retaining the movement in'posb' tion on said llan e, substantially as described. 5. in a wate, i, the eombinationwitl'i a movement, consisting in part of a dial plate, having a recess Formed on the dial side ther of, a watch case comprisin in part a case center n'ovided with screw ugs, a retainin lug fitting in said recess in said dial plate an fibre-K 5 passing through said rumbling 11 5' (Hugo-S, and State of Massachusetts, this 27th into stud dial plate and mm Llm lugs 11 m8 day of Jul A. I). 1UOH. case center, whereby stud HIOVGIIIOHL 1s re- ,1 movnbly and ncljuambly hold in the case center on the dial side thereof, substantially Witnesses; as described. x I W. C. 000m Signed at Walthmu, in the county of Mid- 1''). H. SNOW. 

